Questions: Solution: Q.18 Q.19 Answer = 32 In radius = 4 Let tangents fro A be p, tangents from B be q and tangents from C be r. So, AB+BC-AC = 8. q+q = 8, q = 4. Same...
What is focal length? Ans: the distance between the pole and focal point. What is the relationship between the radius of curvature and focal length? Ans: R=2f What is myopia? When a person can see...
Probability is the possibility of an event to be occurred or happened. Probability is the ratio of the number of favorable events with the total number of events. An event which is definitely...